Dupont tyvek paper also called noble beauty,is a kind of environmental protection non-woven production of dupont, also called Tyvek or Tyvek. In wooden structure,often used for exterior wall,roof waterproof material.Because of its one-way air permeability performance,and call it "paper" breathing.It is by using flash technology, by the polymer processing after hot melt into continuous filament and the hot glue them into a high density polyethylene, this unique technology to produce light weight, very tough material. Dupont paper combines the advantages of paper, film and fiber for a suit, tough and durable,strong tensile properties.